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|
package main
import (
"encoding/json"
"flag"
"fmt"
"io/ioutil"
"net/http"
"os"
"regexp"
"strings"
"sync"
"text/tabwriter"
"github.com/robertkrimen/otto"
"github.com/robertkrimen/otto/parser"
)
var flag_test *bool = flag.Bool("test", false, "")
var flag_report *bool = flag.Bool("report", false, "")
var match_ReferenceError_not_defined = regexp.MustCompile(`^ReferenceError: \S+ is not defined$`)
var match_lookahead = regexp.MustCompile(`Invalid regular expression: re2: Invalid \(\?[=!]\) <lookahead>`)
var match_backreference = regexp.MustCompile(`Invalid regular expression: re2: Invalid \\\d <backreference>`)
var match_TypeError_undefined = regexp.MustCompile(`^TypeError: Cannot access member '[^']+' of undefined$`)
var target = map[string]string{
"test-angular-bindonce.js": "fail", // (anonymous): Line 1:944 Unexpected token ( (and 40 more errors)
"test-jsforce.js": "fail", // (anonymous): Line 9:28329 RuneError (and 5 more errors)
"test-chaplin.js": "parse", // Error: Chaplin requires Common.js or AMD modules
"test-dropbox.js.js": "parse", // Error: dropbox.js loaded in an unsupported JavaScript environment.
"test-epitome.js": "parse", // TypeError: undefined is not a function
"test-portal.js": "parse", // TypeError
"test-reactive-coffee.js": "parse", // Dependencies are not met for reactive: _ and $ not found
"test-scriptaculous.js": "parse", // script.aculo.us requires the Prototype JavaScript framework >= 1.6.0.3
"test-waypoints.js": "parse", // TypeError: undefined is not a function
"test-webuploader.js": "parse", // Error: `jQuery` is undefined
"test-xuijs.js": "parse", // TypeError: undefined is not a function
}
// http://cdnjs.com/
// http://api.cdnjs.com/libraries
func fetch(name, location string) error {
response, err := http.Get(location)
if err != nil {
return err
}
defer response.Body.Close()
body, err := ioutil.ReadAll(response.Body)
if err != nil {
return err
}
if !strings.HasSuffix(location, ".js") {
return nil
}
filename := "test-" + name + ".js"
fmt.Println(filename, len(body))
return ioutil.WriteFile(filename, body, 0644)
}
func test(filename string) error {
script, err := ioutil.ReadFile(filename)
if err != nil {
return err
}
if !*flag_report {
fmt.Fprintln(os.Stdout, filename, len(script))
}
parse := false
option := target[filename]
if option != "parse" {
vm := otto.New()
_, err = vm.Run(string(script))
if err != nil {
value := err.Error()
switch {
case match_ReferenceError_not_defined.MatchString(value):
case match_TypeError_undefined.MatchString(value):
case match_lookahead.MatchString(value):
case match_backreference.MatchString(value):
default:
return err
}
parse = true
}
}
if parse {
_, err = parser.ParseFile(nil, filename, string(script), parser.IgnoreRegExpErrors)
if err != nil {
return err
}
target[filename] = "parse"
}
return nil
}
func main() {
flag.Parse()
filename := ""
err := func() error {
if flag.Arg(0) == "fetch" {
response, err := http.Get("http://api.cdnjs.com/libraries")
if err != nil {
return err
}
defer response.Body.Close()
body, err := ioutil.ReadAll(response.Body)
if err != nil {
return err
}
var tmp map[string]interface{}
err = json.Unmarshal(body, &tmp)
if err != nil {
return err
}
var wg sync.WaitGroup
for _, value := range tmp["results"].([]interface{}) {
wg.Add(1)
library := value.(map[string]interface{})
go func() {
defer wg.Done()
fetch(library["name"].(string), library["latest"].(string))
}()
}
wg.Wait()
return nil
}
if *flag_report {
files, err := ioutil.ReadDir(".")
if err != nil {
return err
}
writer := tabwriter.NewWriter(os.Stdout, 0, 8, 0, '\t', 0)
fmt.Fprintln(writer, "", "\t| Status")
fmt.Fprintln(writer, "---", "\t| ---")
for _, file := range files {
filename := file.Name()
if !strings.HasPrefix(filename, "test-") {
continue
}
err := test(filename)
option := target[filename]
name := strings.TrimPrefix(strings.TrimSuffix(filename, ".js"), "test-")
if err == nil {
switch option {
case "":
fmt.Fprintln(writer, name, "\t| pass")
case "parse":
fmt.Fprintln(writer, name, "\t| pass (parse)")
case "re2":
continue
fmt.Fprintln(writer, name, "\t| unknown (re2)")
}
} else {
fmt.Fprintln(writer, name, "\t| fail")
}
}
writer.Flush()
return nil
}
filename = flag.Arg(0)
return test(filename)
}()
if err != nil {
if filename != "" {
if *flag_test && target[filename] == "fail" {
goto exit
}
fmt.Fprintf(os.Stderr, "%s: %s\n", filename, err.Error())
} else {
fmt.Fprintln(os.Stderr, err)
}
os.Exit(64)
}
exit:
}
|
